4 doctors weighed in:

What type of infection can cause you to cough up blood?

4 doctors weighed in
Dr. Stephen Southard
Internal Medicine
3 doctors agree

In brief: In fact any can

If the infection irritates the lining of your airways you may cough up some blood, similar to how constantly blowing your nose, just from allergies, can lead to blood in your nasal secretions.
There are some more aggressive bacterial or fungal infections that can erode into blood vessels in the lung and cause more serious bleeding though.

In brief: In fact any can

If the infection irritates the lining of your airways you may cough up some blood, similar to how constantly blowing your nose, just from allergies, can lead to blood in your nasal secretions.
There are some more aggressive bacterial or fungal infections that can erode into blood vessels in the lung and cause more serious bleeding though.
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